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William Knapp — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cuyahoga, Ohio
Our Model Tree links this William Knapp across the 1910, 1920 and 1930 US Censuses in Cuyahoga, Ohio (XGBoost, ~Confirmed) — first a head (b.~1876), then head of a 4-person household.
Age 44
b. ~1876
Male
Head
Born: Pennsylvania
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Cuyahoga, Ohio |
| Surname | Knapp |
| Given Name | William M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Occupation | Salesman |
| Industry | Electric Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Salesman |
| Township / Ward | Lakewood City |
| Est. Birth Year | ~1876 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Stewart Knapp | Son | — | 13 | ~1907 |
| William Knapp | Head | — | 44 | ~1876 |
| Delia Knapp | Spouse | — | 42 | ~1878 |
| Alta Knapp | Daughter | — | 15 | ~1905 |
Census Appearances
1910
Cuyahoga, Ohio
Head, age 34
Cuyahoga, Ohio · implied b. ~1876 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knapp |
| Given Name | William M. Jr. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Years Married | 9 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Ohio |
| Occupation | Secretary |
| Industry | Electric Sign Co. |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Cuyahoga, Ohio
Head, age 44
Cuyahoga, Ohio · implied b. ~1876 — 4 household members
| Surname | Knapp |
| Given Name | William M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Ohio |
| Occupation | Salesman |
| Industry | Electric Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Cuyahoga, Ohio
Head, age 54
Cuyahoga, Ohio · implied b. ~1876 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knappe |
| Given Name | William H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 25 |
| Father's Birthplace | Connecticut |
| Mother's Birthplace | Ohio |
| Occupation | Salesman |
| Industry | Electric Sign Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 16,000 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links William Knapp across 3 US Census years (1910, 1920 and 1930) in Cuyahoga, Ohio, using XGBoost record linkage.
Show:
This person
Anchor record
William Knapp
Head · 1920 · age 44 · b. ~1876 · Ohio
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Cuyahoga, Ohio
Open full size
1920 US Federal Census — Cuyahoga, Ohio
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1376unit:0143)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John W. Longdon | 49 | Head | Auditor | Pennsylvania |
| 2 | Kate W. Longdon | 36 | Wife | — | Michigan |
| 3 | Richard Higgins | 31 | Brother-in-law | Bookkeeper | Michigan |
| 4 | Anna B. Higgins | 30 | Sister-in-law | Bookkeeper | Michigan |
| 5 | Harvey Buktel | 36 | Boarder | — | Ohio |
| 6 | Luther Libbe | 33 | Boarder | Electrical Engineer | Connecticut |
| 7 | Mary Comis | 58 | Head | Manager | New York |
| 8 | Edward Comis | 24 | Son | Motorman | Ohio |
| 9 | Mary Comis | 16 | Daughter | — | Ohio |
| 10 | John D. Ruse | 42 | Head | Accountant | Ohio |
| 11 | Bessie B. Ruse | 36 | Wife | — | Indiana |
| 12 | John H. Gabriel | 28 | Head | Patrolman | Michigan |
| 13 | Lucy M. Gabriel | 23 | Wife | — | Ohio |
| 14 | Charles G. Gabriel | 4 | Son | — | Ohio |
| 15 | David Gabriel | 1 | Son | — | Ohio |
| 16 | Arthur Lawrence | 53 | Head | Bookkeeper | Ohio |
| 17 | Alfred H. Jones | 27 | Head | Electrician | Ohio |
| 18 | Eloise T. Jones | 27 | Wife | — | New Jersey |
| 19 | Alfred F. Jones | 0 | Son | — | Ohio |
| 20 | William M. Knapp THIS PERSON | 44 | Head | Salesman | Pennsylvania |
| 21 | Delia M. Knapp | 42 | Wife | — | Pennsylvania |
| 22 | Alta May Knapp | 15 | Daughter | — | Ohio |
| 23 | Stewart G. Knapp | 13 | Son | — | Ohio |
| 24 | Robert E. Shockey | 30 | Head | Car-Accountant | Ohio |
| 25 | Bessie L. Shockey | 30 | Wife | — | Ohio |
| 26 | Preston L. Shockey | 8 | Son | — | Ohio |
| 27 | James L. Shockey | 1 | Son | — | Ohio |
| 28 | John H. Volkenborg | 34 | Head | Salesman | Ohio |
| 29 | Clara P. Volkenborg | 34 | Wife | — | Ohio |
| 30 | Rosemary L. Volkenborg | 1 | Daughter | — | Ohio |
| 31 | Paul Vanschoonhoven | 33 | Head | Agent | Ohio |
| 32 | Melinda Vanschoonhoven | 32 | Wife | Teacher | Ohio |
| 33 | Catherine Vanschoonhoven | 8 | Daughter | — | Ohio |
| 34 | Mary Vanschoonhoven | 55 | Mother | — | Ohio |
| 35 | Frederick B. Higgins | 50 | Head | Legal Counsel | Ohio |
| 36 | Emma E. Higgins | 46 | Wife | — | Ohio |
| 37 | Janice Higgins | 12 | Daughter | — | Ohio |
| 38 | Charles G. Sommer | 50 | Son-in-law | Teacher | Ohio |
| 39 | Virginia Sommer | 22 | Daughter | — | Ohio |
| 40 | Charles Sommer | 0 | Grandson | — | Ohio |
| 41 | Sarah Flynn | 52 | Head | Rate Clerk | Ohio |
| 42 | Catherine Flynn | 34 | Sister | Bookkeeper | Ohio |
| 43 | William A. Springer | 60 | Head | Salesman | Ohio |
| 44 | Nellie Springer | 52 | Wife | — | Canada (Am. Cit.) |
| 45 | Kenneth H. Hoffman | 25 | Boarder | Clerk | New York |
| 46 | William E. Blair | 21 | Boarder | Accountant | Pennsylvania |
| 47 | Earl Baumgardner | 36 | Head | Manager | Ohio |
| 48 | Emma E. Baumgardner | 32 | Wife | — | Ohio |
| 49 | Ora F. Baumgardner | 11 | Daughter | — | Ohio |
| 50 | Ruth E. Baumgardner | 4 | Daughter | — | Ohio |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)